Seiko Cal. 3815 - 516

The Seiko 3815-516 represents an important milestone in Seiko's 1967 lineup. Powered by the 3815 caliber with 25j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-d2ae22372810]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1967

Related Models

• Seiko 6635-822
• Seiko 6324-506
• Seiko 5634-184
• Seiko 6367-893
• Seiko 3866-916
• Seiko 6621-932
• Seiko 7057-744
• Seiko 7144-573
• Seiko 4452-174
• Seiko 7086-858
• Seiko 6182-127
• Seiko 6154-354